{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "trigger": true, "arguments": ["Treatment", "Subject.Race", "Treatment.Freq", "Subject", "Effect", "Subject.Population", "Subject.Gender", "Treatment.Route", "Treatment.Drug", "Combination.Drug", "Treatment.Duration", "Treatment.Disorder", "Treatment.Dosage"]}, {"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Treatment.Route", "Treatment.Dosage", "Subject.Disorder", "Subject.Gender", "Effect", "Treatment.Freq", "Treatment.Disorder", "Treatment.Time_elapsed", "Treatment.Duration", "Combination.Drug", "Treatment.Drug"]}], "input": "Concern exists that preadmission warfarin use may be associated with an increased risk of intracerebral hemorrhage in patients with ischemic stroke receiving intravenous tissue plasminogen activator, even in those with an international normalized ratio <1.7."}
{"adverse event": [{"trigger": "associated ", "arguments": {"Treatment": ["receiving intravenous tissue plasminogen activator", "preadmission warfarin"], "Subject.Race": "NAN", "Treatment.Freq": "NAN", "Subject": "patients with ischemic stroke", "Effect": "increased risk of intracerebral hemorrhage", "Subject.Population": "NAN", "Subject.Gender": "NAN", "Treatment.Route": "NAN", "Treatment.Drug": ["warfarin", "intravenous tissue plasminogen activator"], "Combination.Drug": ["warfarin", "intravenous tissue plasminogen activator"], "Treatment.Duration": "NAN", "Treatment.Disorder": "ischemic stroke", "Treatment.Dosage": "NAN"}}], "potential therapeutic event": []}